Sania was rummaging her drawer, when she found some old movie tickets. With a smile, she remembered seeing the famous cartoon movie, which the adults had also enjoyed. It was a weekday, so the movie theatre was not completely full. Some adults and mostly children were at the theatre. That day, the ratio of the number of adults to children was 3:5. Each person had a seat in the Balcony or had a seat in the Stalls. 2 ⁄15 of the children had seats in the Stalls. 468 children had seats in the Balcony. There were exactly 1200 seats in the theatre.
How many children had come to watch the movie? a) 324 b) 540 c) 432 d) 243